US PATENT SUBCLASS 172 / 754
.~ Share and furrow slice inverting moldboard

Current as of: June, 1999
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172 /   HD   EARTH WORKING

681  DF  TOOL, STANDARD OR CONNECTION {32}
754.~ Share and furrow slice inverting moldboard {7}
755  DF  .~.~> Heating or lubricating
756  DF  .~.~> Skeleton
757  DF  .~.~> Furrow slice retainer
758  DF  .~.~> Furrow slice cutter or breaker
759  DF  .~.~> With additional element juxtaposed to moldboard
760  DF  .~.~> Specific moldboard shape
761  DF  .~.~> Serrated, toothed or notched point or share

DEFINITION

Classification: 172/754

(under subclass 681) Apparatus in which the tool is of the type having a landside to receive the side pressure of the

earth working element and to act as a runner, a point for making an initial cut in the earth, a share for making a substantially horizontal cut beneath the surface to cut a slice of earth, and a moldboard to guide and completely invert the furrow slice.

SEE OR SEARCH CLASS

37, Excavating,

366+, for similar ditching-type excavating plows.

111, Planting

126, for a moldboard furrow opener claimed in combination with a liquid or gas soil treatment.